CVE-2020-27725 — Missing Release of Memory after Effective Lifetime in F5 Big-ip Link Controller

CWE-401 — Missing Release of Memory after Effective LifetimeCWE-772 — Missing Release of Resource after Effective Lifetime4 documents4 sources
Severity
4.3MEDIUMNVD
EPSS
0.3%
top 47.16%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
F5 Big-ip Domain Name SystemF5 Big-ip Global Traffic ManagerF5 Big-ip Link Controller
Timeline
PublishedDec 24
Latest updateMay 24

Description

In version 15.1.0-15.1.0.5, 14.1.0-14.1.3, 13.1.0-13.1.3.4, 12.1.0-12.1.5.2, and 11.6.1-11.6.5.2 of BIG-IP DNS, GTM, and Link Controller, zxfrd leaks memory when listing DNS zones. Zones can be listed via TMSH, iControl or SNMP; only users with access to those services can trigger this vulnerability.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:LExploitability: 2.8 | Impact: 1.4

Affected Packages3 packages

▶NVDf5/big-ip_link_controller13.1.0 — 13.1.3.5+4
▶NVDf5/big-ip_domain_name_system13.1.0 — 13.1.3.5+4
▶NVDf5/big-ip_global_traffic_manager13.1.0 — 13.1.3.5+4

🔴Vulnerability Details

2
GHSA
GHSA-3f89-7rr5-pcr2: In version 15↗2022-05-24
▶
CVEList
CVE-2020-27725: In version 15↗2020-12-24
▶

📋Vendor Advisories

1
F5
CVE-2020-27725: In version 15↗2020-12-24
▶
CVE-2020-27725 — F5 vulnerability | cvebase